package com.oa.entity.vo;

import com.alibaba.fastjson.annotation.JSONField;
import com.oa.entity.domain.User;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 封装的用户信息和权限信息
 */
@Data
@NoArgsConstructor

public class LoginUser implements UserDetails {

    private User user;

    private List<String>permissions;

    public LoginUser(User user, List<String> permissions) {
        this.user = user;
        this.permissions = permissions;
    }
    //该变量不需要存入redis中
    @JSONField(serialize = false)
    private  List<SimpleGrantedAuthority> authorities;
    /**
     * 返回权限信息
     * @return
     */
    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        //把permissions中的权限信息封装成SimpleGrantedAuthority对象
       if(authorities!=null){
           return  authorities;
       }
         authorities =
                permissions.stream()
                        .map(SimpleGrantedAuthority::new)
                        .collect(Collectors.toList());
        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
